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LoopBack0
Current state: UP
Line protocol state: UP (spoofing)
Description: LoopBack0 Interface
Bandwidth: 0kbps
Maximum transmission unit: 1536
Internet protocol processing: Disabled
Physical: Loopback
Last clearing of counters:
Last 300 seconds input rate:
Last 300 seconds output rate:
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops
Table 11 Command output
Field
Current state
Line protocol state
Description
Bandwidth
Maximum transmission unit
Internet
protocol
Disabled
Internet
address
is
Primary
Physical: Loopback
Last clearing of counters
Last 300 seconds input rate:
bytes/sec, 0 bits/sec, 0 packets/sec
Last 300 seconds output rate:
bytes/sec, 0 bits/sec, 0 packets/sec
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops
Never
0 bytes/sec, 0 bits/sec, 0 packets/sec
0 bytes/sec, 0 bits/sec, 0 packets/sec
Description
Physical layer state of the loopback interface:
•
UP—The loopback interface can receive and transmit packets.
•
Administratively DOWN—The interface was manually shut
down by using the shutdown command.
Data link layer protocol state of the interface. UP (spoofing) means
that the data link layer protocol state of the interface is up, but the link
is an on-demand link or is not present.
Description string of the interface.
Expected bandwidth of the interface.
MTU of the interface.
processing:
Indicates that the interface cannot process Layer 3 packets
(displayed when the interface is not configured with an IP address).
1.1.1.1/32
Primary IP address of the interface (displayed when the interface is
configured with a primary IP address).
The physical type of the interface is loopback.
Time when statistics on the logical interface were last cleared by
using the reset counters interface command.
If the statistics of the interface have never been cleared by using the
reset counters interface command since the device started, this
field displays Never.
Average input rate during the last 300 seconds:
•
bytes/sec—Average number of bytes received per second.
0
•
bits/sec—Average number of bits received per second.
•
packets/sec—Average number of packets received per
second.
Average output rate over the last 300 seconds:
•
bytes/sec—Average number of bytes sent per second.
0
•
bits/sec—Average number of bits sent per second.
•
packets/sec—Average number of packets sent per second.
Total number and size (in bytes) of incoming packets of the interface
and the number of dropped packets.
Total number and size (in bytes) of outgoing packets of the interface
45
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